arista 7060X6-32D vs NVIDIA Spectrum-4 SN5600
Side-by-side specifications from the vendors' own documents. The Arista 7060X6-32D is an ultra-dense 1U 800GbE datacenter switch built on the Broadcom Tomahawk 5 silicon architecture. The NVIDIA Spectrum-4 SN5600 is a 2U multi-terabit datacenter spine switch delivering up to 51.2 Tbps of switching throughput.
| arista 7060X6-32D | NVIDIA Spectrum-4 SN5600 | |
|---|---|---|
| Brand | arista | NVIDIA |
| Status | current | current |
| Released | Mar 2023 | Mar 2022 |
| Form factor | 1U fixed switch | 2U fixed switch |
| Ports | 32x 800G OSFP or QSFP-DD ports | 64x 800GbE OSFP ports (or 64x 400GbE QSFP-DD ports) |
| Switching capacity | 51.2 Tbps / 21.3 Bpps forwarding throughput | 51.2 Tbps / 33.6 Bpps forwarding capacity |
| Silicon | Broadcom Tomahawk 5 5nm switching silicon | NVIDIA Spectrum-4 4nm network processing ASIC with adaptive routing |
| Form factor | 1U rack mount | — |
| Telemetry | In-band network telemetry with real-time congestion tracking | — |
| Lossless ethernet | Hardware RoCEv2, PFC, ECN, and packet-level load balancing | — |
| Buffer | — | Ultra-large dynamic shared packet buffer preventing RoCE packet drops |
| Power and cooling | — | Quad redundant hot-swappable power supplies and high-volume fan trays |
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